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                  <a href="#InfAdoptedRequestLog.description" class="shortcut">Description</a>
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                  <a href="#InfAdoptedRequestLog.object-hierarchy" class="shortcut">Object Hierarchy</a>
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                  <a href="#InfAdoptedRequestLog.properties" class="shortcut">Properties</a>
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                  <a href="#InfAdoptedRequestLog.signals" class="shortcut">Signals</a>
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<div class="refentry" title="InfAdoptedRequestLog">
<a name="InfAdoptedRequestLog"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle"><a name="InfAdoptedRequestLog.top_of_page"></a>InfAdoptedRequestLog</span></h2>
<p>InfAdoptedRequestLog — History of requests</p>
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<div class="refsect1" title="Stability Level">
<a name="InfAdoptedRequestLog.stability-level"></a><h2>Stability Level</h2>
Unstable, unless otherwise indicated
</div>
<div class="refsynopsisdiv" title="Synopsis">
<a name="InfAdoptedRequestLog.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">
#include &lt;libinfinity/adopted/inf-adopted-request-log.h&gt;

                    <a class="link" href="InfAdoptedRequestLog.html#InfAdoptedRequestLog-struct" title="InfAdoptedRequestLog">InfAdoptedRequestLog</a>;
                    <a class="link" href="InfAdoptedRequestLog.html#InfAdoptedRequestLogClass" title="InfAdoptedRequestLogClass">InfAdoptedRequestLogClass</a>;
<a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="returnvalue">InfAdoptedRequestLog</span></a> * <a class="link" href="InfAdoptedRequestLog.html#inf-adopted-request-log-new" title="inf_adopted_request_log_new ()">inf_adopted_request_log_new</a>      (<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> user_id</code></em>);
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>               <a class="link" href="InfAdoptedRequestLog.html#inf-adopted-request-log-get-user-id" title="inf_adopted_request_log_get_user_id ()">inf_adopted_request_log_get_user_id</a> (<em class="parameter"><code><a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a> *log</code></em>);
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>               <a class="link" href="InfAdoptedRequestLog.html#inf-adopted-request-log-get-begin" title="inf_adopted_request_log_get_begin ()">inf_adopted_request_log_get_begin</a>   (<em class="parameter"><code><a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a> *log</code></em>);
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>               <a class="link" href="InfAdoptedRequestLog.html#inf-adopted-request-log-get-end" title="inf_adopted_request_log_get_end ()">inf_adopted_request_log_get_end</a>     (<em class="parameter"><code><a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a> *log</code></em>);
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="InfAdoptedRequestLog.html#inf-adopted-request-log-is-empty" title="inf_adopted_request_log_is_empty ()">inf_adopted_request_log_is_empty</a>    (<em class="parameter"><code><a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a> *log</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="InfAdoptedRequestLog.html#inf-adopted-request-log-set-begin" title="inf_adopted_request_log_set_begin ()">inf_adopted_request_log_set_begin</a>   (<em class="parameter"><code><a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a> *log</code></em>,
                                                         <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> n</code></em>);
<a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="returnvalue">InfAdoptedRequest</span></a> * <a class="link" href="InfAdoptedRequestLog.html#inf-adopted-request-log-get-request" title="inf_adopted_request_log_get_request ()">inf_adopted_request_log_get_request</a> (<em class="parameter"><code><a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a> *log</code></em>,
                                                         <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> n</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="InfAdoptedRequestLog.html#inf-adopted-request-log-add-request" title="inf_adopted_request_log_add_request ()">inf_adopted_request_log_add_request</a> (<em class="parameter"><code><a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a> *log</code></em>,
                                                         <em class="parameter"><code><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> *request</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="InfAdoptedRequestLog.html#inf-adopted-request-log-remove-requests" title="inf_adopted_request_log_remove_requests ()">inf_adopted_request_log_remove_requests</a>
                                                        (<em class="parameter"><code><a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a> *log</code></em>,
                                                         <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> up_to</code></em>);
<a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="returnvalue">InfAdoptedRequest</span></a> * <a class="link" href="InfAdoptedRequestLog.html#inf-adopted-request-log-next-associated" title="inf_adopted_request_log_next_associated ()">inf_adopted_request_log_next_associated</a>
                                                        (<em class="parameter"><code><a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a> *log</code></em>,
                                                         <em class="parameter"><code><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> *request</code></em>);
<a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="returnvalue">InfAdoptedRequest</span></a> * <a class="link" href="InfAdoptedRequestLog.html#inf-adopted-request-log-prev-associated" title="inf_adopted_request_log_prev_associated ()">inf_adopted_request_log_prev_associated</a>
                                                        (<em class="parameter"><code><a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a> *log</code></em>,
                                                         <em class="parameter"><code><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> *request</code></em>);
<a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="returnvalue">InfAdoptedRequest</span></a> * <a class="link" href="InfAdoptedRequestLog.html#inf-adopted-request-log-original-request" title="inf_adopted_request_log_original_request ()">inf_adopted_request_log_original_request</a>
                                                        (<em class="parameter"><code><a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a> *log</code></em>,
                                                         <em class="parameter"><code><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> *request</code></em>);
<a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="returnvalue">InfAdoptedRequest</span></a> * <a class="link" href="InfAdoptedRequestLog.html#inf-adopted-request-log-next-undo" title="inf_adopted_request_log_next_undo ()">inf_adopted_request_log_next_undo</a>   (<em class="parameter"><code><a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a> *log</code></em>);
<a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="returnvalue">InfAdoptedRequest</span></a> * <a class="link" href="InfAdoptedRequestLog.html#inf-adopted-request-log-next-redo" title="inf_adopted_request_log_next_redo ()">inf_adopted_request_log_next_redo</a>   (<em class="parameter"><code><a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a> *log</code></em>);
<a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="returnvalue">InfAdoptedRequest</span></a> * <a class="link" href="InfAdoptedRequestLog.html#inf-adopted-request-log-upper-related" title="inf_adopted_request_log_upper_related ()">inf_adopted_request_log_upper_related</a>
                                                        (<em class="parameter"><code><a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a> *log</code></em>,
                                                         <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> n</code></em>);
</pre>
</div>
<div class="refsect1" title="Object Hierarchy">
<a name="InfAdoptedRequestLog.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
  <a href="http://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#GObject">GObject</a>
   +----InfAdoptedRequestLog
</pre>
</div>
<div class="refsect1" title="Properties">
<a name="InfAdoptedRequestLog.properties"></a><h2>Properties</h2>
<pre class="synopsis">
  "<a class="link" href="InfAdoptedRequestLog.html#InfAdoptedRequestLog--begin" title='The "begin" property'>begin</a>"                    <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a>                 : Read / Write / Construct Only
  "<a class="link" href="InfAdoptedRequestLog.html#InfAdoptedRequestLog--end" title='The "end" property'>end</a>"                      <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a>                 : Read
  "<a class="link" href="InfAdoptedRequestLog.html#InfAdoptedRequestLog--next-redo" title='The "next-redo" property'>next-redo</a>"                <a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a>*    : Read
  "<a class="link" href="InfAdoptedRequestLog.html#InfAdoptedRequestLog--next-undo" title='The "next-undo" property'>next-undo</a>"                <a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a>*    : Read
  "<a class="link" href="InfAdoptedRequestLog.html#InfAdoptedRequestLog--user-id" title='The "user-id" property'>user-id</a>"                  <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a>                 : Read / Write / Construct Only
</pre>
</div>
<div class="refsect1" title="Signals">
<a name="InfAdoptedRequestLog.signals"></a><h2>Signals</h2>
<pre class="synopsis">
  "<a class="link" href="InfAdoptedRequestLog.html#InfAdoptedRequestLog-add-request" title='The "add-request" signal'>add-request</a>"                                    : Run Last
</pre>
</div>
<div class="refsect1" title="Description">
<a name="InfAdoptedRequestLog.description"></a><h2>Description</h2>
<p>
<a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a> stores all requests by a particular user. These need
to be looked up by <a class="link" href="InfAdoptedAlgorithm.html" title="InfAdoptedAlgorithm"><span class="type">InfAdoptedAlgorithm</span></a> to perform transformations of
older requests to the current state. It also adds relations between the 
requests so that is easy to find the request that an Undo request undoes,
or the Undo request undoing a given request, if available.
</p>
<p>
When requests are no longer needed, then they can also be removed again
from the log, however requests can only be removed so that remaining Undo
or Redo requests do not refer to some request that is about to be removed.
</p>
</div>
<div class="refsect1" title="Details">
<a name="InfAdoptedRequestLog.details"></a><h2>Details</h2>
<div class="refsect2" title="InfAdoptedRequestLog">
<a name="InfAdoptedRequestLog-struct"></a><h3>InfAdoptedRequestLog</h3>
<pre class="programlisting">typedef struct _InfAdoptedRequestLog InfAdoptedRequestLog;</pre>
<p>
<a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a> is an opaque data type. You should only access it via
the public API functions.
</p>
</div>
<hr>
<div class="refsect2" title="InfAdoptedRequestLogClass">
<a name="InfAdoptedRequestLogClass"></a><h3>InfAdoptedRequestLogClass</h3>
<pre class="programlisting">typedef struct {
  void(*add_request)(InfAdoptedRequestLog* request_log,
                     InfAdoptedRequest* request);
} InfAdoptedRequestLogClass;
</pre>
<p>
This structure contains the default signal handlers for
<a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="structfield"><code><a name="InfAdoptedRequestLogClass.add-request"></a>add_request</code></em> ()</span></p></td>
<td>Default signal handler for the
<a class="link" href="InfAdoptedRequestLog.html#InfAdoptedRequestLog-add-request" title='The "add-request" signal'><span class="type">"add-request"</span></a> signal.
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="inf_adopted_request_log_new ()">
<a name="inf-adopted-request-log-new"></a><h3>inf_adopted_request_log_new ()</h3>
<pre class="programlisting"><a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="returnvalue">InfAdoptedRequestLog</span></a> * inf_adopted_request_log_new      (<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> user_id</code></em>);</pre>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_id</code></em> :</span></p></td>
<td>The ID of the <a class="link" href="InfAdoptedUser.html" title="InfAdoptedUser"><span class="type">InfAdoptedUser</span></a> to create a request log for. The
request log only contains requests of that particular user.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> A new <a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a>.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="inf_adopted_request_log_get_user_id ()">
<a name="inf-adopted-request-log-get-user-id"></a><h3>inf_adopted_request_log_get_user_id ()</h3>
<pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>               inf_adopted_request_log_get_user_id (<em class="parameter"><code><a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a> *log</code></em>);</pre>
<p>
Returns the ID of the user whose requests <em class="parameter"><code>log</code></em> contains.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>log</code></em> :</span></p></td>
<td>A <a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The log's user ID.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="inf_adopted_request_log_get_begin ()">
<a name="inf-adopted-request-log-get-begin"></a><h3>inf_adopted_request_log_get_begin ()</h3>
<pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>               inf_adopted_request_log_get_begin   (<em class="parameter"><code><a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a> *log</code></em>);</pre>
<p>
Returns the first index (i.e. the index of the oldest request) in the log.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>log</code></em> :</span></p></td>
<td>A <a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The first index in the log.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="inf_adopted_request_log_get_end ()">
<a name="inf-adopted-request-log-get-end"></a><h3>inf_adopted_request_log_get_end ()</h3>
<pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>               inf_adopted_request_log_get_end     (<em class="parameter"><code><a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a> *log</code></em>);</pre>
<p>
Returns the index a newly inserted request would have (i.e. one past the
index of the newest request in the log). This ensures that
<a class="link" href="InfAdoptedRequestLog.html#inf-adopted-request-log-get-end" title="inf_adopted_request_log_get_end ()"><code class="function">inf_adopted_request_log_get_end()</code></a> - <a class="link" href="InfAdoptedRequestLog.html#inf-adopted-request-log-get-begin" title="inf_adopted_request_log_get_begin ()"><code class="function">inf_adopted_request_log_get_begin()</code></a>
reveals the number of requests in the log.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>log</code></em> :</span></p></td>
<td>A <a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The index of the next request in the log.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="inf_adopted_request_log_is_empty ()">
<a name="inf-adopted-request-log-is-empty"></a><h3>inf_adopted_request_log_is_empty ()</h3>
<pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            inf_adopted_request_log_is_empty    (<em class="parameter"><code><a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a> *log</code></em>);</pre>
<p>
Returns whether <em class="parameter"><code>log</code></em> is empty. A log is empty if it does not contain any
requsets.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>log</code></em> :</span></p></td>
<td>A <a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> Whether <em class="parameter"><code>log</code></em> is empty.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="inf_adopted_request_log_set_begin ()">
<a name="inf-adopted-request-log-set-begin"></a><h3>inf_adopted_request_log_set_begin ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                inf_adopted_request_log_set_begin   (<em class="parameter"><code><a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a> *log</code></em>,
                                                         <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> n</code></em>);</pre>
<p>
This function sets the index of the first log that will be added to <em class="parameter"><code>log</code></em>.
For a new request log, this is set to 0. If you intend to insert a request
sequence into <em class="parameter"><code>log</code></em> that does not start with 0, then you can call this
function with the desired start index, so that
<a class="link" href="InfAdoptedRequestLog.html#inf-adopted-request-log-get-begin" title="inf_adopted_request_log_get_begin ()"><code class="function">inf_adopted_request_log_get_begin()</code></a> and <a class="link" href="InfAdoptedRequestLog.html#inf-adopted-request-log-get-end" title="inf_adopted_request_log_get_end ()"><code class="function">inf_adopted_request_log_get_end()</code></a>
return the correct value.
</p>
<p>
If you don't need <a class="link" href="InfAdoptedRequestLog.html#inf-adopted-request-log-get-begin" title="inf_adopted_request_log_get_begin ()"><code class="function">inf_adopted_request_log_get_begin()</code></a> or
<a class="link" href="InfAdoptedRequestLog.html#inf-adopted-request-log-get-end" title="inf_adopted_request_log_get_end ()"><code class="function">inf_adopted_request_log_get_end()</code></a> before adding the first request to the
log, then you don't need to call this function, since
<a class="link" href="InfAdoptedRequestLog.html#inf-adopted-request-log-add-request" title="inf_adopted_request_log_add_request ()"><code class="function">inf_adopted_request_log_add_request()</code></a> will do it implicitely based on the
request's vector time component for the request log's user.
</p>
<p>
This function can only be called if the request log is empty, see
<a class="link" href="InfAdoptedRequestLog.html#inf-adopted-request-log-is-empty" title="inf_adopted_request_log_is_empty ()"><code class="function">inf_adopted_request_log_is_empty()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>log</code></em> :</span></p></td>
<td>A <a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>n</code></em> :</span></p></td>
<td>The index of the first request to be added to the log.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="inf_adopted_request_log_get_request ()">
<a name="inf-adopted-request-log-get-request"></a><h3>inf_adopted_request_log_get_request ()</h3>
<pre class="programlisting"><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="returnvalue">InfAdoptedRequest</span></a> * inf_adopted_request_log_get_request (<em class="parameter"><code><a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a> *log</code></em>,
                                                         <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> n</code></em>);</pre>
<p>
Returns the request with the given index. Such a request must exist in
<em class="parameter"><code>log</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>log</code></em> :</span></p></td>
<td>A <a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>n</code></em> :</span></p></td>
<td>The index of a request contained in <em class="parameter"><code>log</code></em>.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> A <a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a>. The request is owned by the request
log, you do not need to free it.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="inf_adopted_request_log_add_request ()">
<a name="inf-adopted-request-log-add-request"></a><h3>inf_adopted_request_log_add_request ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                inf_adopted_request_log_add_request (<em class="parameter"><code><a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a> *log</code></em>,
                                                         <em class="parameter"><code><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> *request</code></em>);</pre>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>log</code></em> :</span></p></td>
<td>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>request</code></em> :</span></p></td>
<td>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="inf_adopted_request_log_remove_requests ()">
<a name="inf-adopted-request-log-remove-requests"></a><h3>inf_adopted_request_log_remove_requests ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                inf_adopted_request_log_remove_requests
                                                        (<em class="parameter"><code><a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a> *log</code></em>,
                                                         <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> up_to</code></em>);</pre>
<p>
Removes all requests with index lower than <em class="parameter"><code>up_to</code></em>. This function only works
if the request before <em class="parameter"><code>up_to</code></em> is an "upper related" request.
See <a class="link" href="InfAdoptedRequestLog.html#inf-adopted-request-log-upper-related" title="inf_adopted_request_log_upper_related ()"><code class="function">inf_adopted_request_log_upper_related()</code></a>. This condition guarantees
that remaining requests do not refer to removed ones.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>log</code></em> :</span></p></td>
<td>A <a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>up_to</code></em> :</span></p></td>
<td>The index of the first request not to remove.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="inf_adopted_request_log_next_associated ()">
<a name="inf-adopted-request-log-next-associated"></a><h3>inf_adopted_request_log_next_associated ()</h3>
<pre class="programlisting"><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="returnvalue">InfAdoptedRequest</span></a> * inf_adopted_request_log_next_associated
                                                        (<em class="parameter"><code><a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a> *log</code></em>,
                                                         <em class="parameter"><code><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> *request</code></em>);</pre>
<p>
If <em class="parameter"><code>request</code></em> is of type <a class="link" href="InfAdoptedRequest.html#INF-ADOPTED-REQUEST-DO:CAPS"><code class="literal">INF_ADOPTED_REQUEST_DO</code></a> or
<a class="link" href="InfAdoptedRequest.html#INF-ADOPTED-REQUEST-REDO:CAPS"><code class="literal">INF_ADOPTED_REQUEST_REDO</code></a>, this returns UNDO request that undoes this
request, if any. If <em class="parameter"><code>request</code></em> is a <code class="literal">INF_ADOPTED_REQUEST</code> UNDO request, this
returns a request that redoes <em class="parameter"><code>request</code></em>, if any.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>log</code></em> :</span></p></td>
<td>A <a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>request</code></em> :</span></p></td>
<td>A <a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> contained in <em class="parameter"><code>log</code></em>.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The next associated request of <em class="parameter"><code>request</code></em>, or <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="inf_adopted_request_log_prev_associated ()">
<a name="inf-adopted-request-log-prev-associated"></a><h3>inf_adopted_request_log_prev_associated ()</h3>
<pre class="programlisting"><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="returnvalue">InfAdoptedRequest</span></a> * inf_adopted_request_log_prev_associated
                                                        (<em class="parameter"><code><a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a> *log</code></em>,
                                                         <em class="parameter"><code><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> *request</code></em>);</pre>
<p>
If <em class="parameter"><code>request</code></em> is of type <a class="link" href="InfAdoptedRequest.html#INF-ADOPTED-REQUEST-REDO:CAPS"><code class="literal">INF_ADOPTED_REQUEST_REDO</code></a> or, this returns the UNDO
request that is redone by <em class="parameter"><code>request</code></em>, if <em class="parameter"><code>request</code></em> is a
<a class="link" href="InfAdoptedRequest.html#INF-ADOPTED-REQUEST-UNDO:CAPS"><code class="literal">INF_ADOPTED_REQUEST_UNDO</code></a> request, this returns the request that is undone
by <em class="parameter"><code>request</code></em>.
</p>
<p>
<em class="parameter"><code>request</code></em> must either be contained in <em class="parameter"><code>log</code></em> or the vector time component
of its own user must be equivalent to <a class="link" href="InfAdoptedRequestLog.html#inf-adopted-request-log-get-end" title="inf_adopted_request_log_get_end ()"><code class="function">inf_adopted_request_log_get_end()</code></a>,
in which case <em class="parameter"><code>request</code></em> is treated as it if was the newest requset in <em class="parameter"><code>log</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>log</code></em> :</span></p></td>
<td>A <a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>request</code></em> :</span></p></td>
<td>A <a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The previous associated request of <em class="parameter"><code>request</code></em>, or <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="inf_adopted_request_log_original_request ()">
<a name="inf-adopted-request-log-original-request"></a><h3>inf_adopted_request_log_original_request ()</h3>
<pre class="programlisting"><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="returnvalue">InfAdoptedRequest</span></a> * inf_adopted_request_log_original_request
                                                        (<em class="parameter"><code><a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a> *log</code></em>,
                                                         <em class="parameter"><code><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> *request</code></em>);</pre>
<p>
Returns the most previous associated request for <em class="parameter"><code>request</code></em>, that is,
the <a class="link" href="InfAdoptedRequest.html#INF-ADOPTED-REQUEST-DO:CAPS"><code class="literal">INF_ADOPTED_REQUEST_DO</code></a> request that <em class="parameter"><code>request</code></em> undoes or redoes,
respectively. If <em class="parameter"><code>request</code></em> itself is a <a class="link" href="InfAdoptedRequest.html#INF-ADOPTED-REQUEST-DO:CAPS"><code class="literal">INF_ADOPTED_REQUEST_DO</code></a> request,
<em class="parameter"><code>request</code></em> itself is returned.
</p>
<p>
<em class="parameter"><code>request</code></em> must either be contained in <em class="parameter"><code>log</code></em> or the vector time component
of its own user must be equivalent to <a class="link" href="InfAdoptedRequestLog.html#inf-adopted-request-log-get-end" title="inf_adopted_request_log_get_end ()"><code class="function">inf_adopted_request_log_get_end()</code></a>,
in which case <em class="parameter"><code>request</code></em> is treated as it if was the newest request in <em class="parameter"><code>log</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>log</code></em> :</span></p></td>
<td>A <a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>request</code></em> :</span></p></td>
<td>A <a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The original request of <em class="parameter"><code>request</code></em>. This function never
returns <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="inf_adopted_request_log_next_undo ()">
<a name="inf-adopted-request-log-next-undo"></a><h3>inf_adopted_request_log_next_undo ()</h3>
<pre class="programlisting"><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="returnvalue">InfAdoptedRequest</span></a> * inf_adopted_request_log_next_undo   (<em class="parameter"><code><a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a> *log</code></em>);</pre>
<p>
Returns the request that would be undone if a undo request was added to
the request log.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>log</code></em> :</span></p></td>
<td>A <a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The next request to be undone, or <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="inf_adopted_request_log_next_redo ()">
<a name="inf-adopted-request-log-next-redo"></a><h3>inf_adopted_request_log_next_redo ()</h3>
<pre class="programlisting"><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="returnvalue">InfAdoptedRequest</span></a> * inf_adopted_request_log_next_redo   (<em class="parameter"><code><a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a> *log</code></em>);</pre>
<p>
Returns the request that would be redone if a redo request was added to
the request log.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>log</code></em> :</span></p></td>
<td>A <a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The next request to be redone, or <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" title="inf_adopted_request_log_upper_related ()">
<a name="inf-adopted-request-log-upper-related"></a><h3>inf_adopted_request_log_upper_related ()</h3>
<pre class="programlisting"><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="returnvalue">InfAdoptedRequest</span></a> * inf_adopted_request_log_upper_related
                                                        (<em class="parameter"><code><a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a> *log</code></em>,
                                                         <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> n</code></em>);</pre>
<p>
Returns the newest request in <em class="parameter"><code>log</code></em> that is related to <em class="parameter"><code>n</code></em>th request
in log. requests are considered related when they are enclosed by a
do/undo, an undo/redo or a redo/undo pair.
</p>
<p>
In other words, the "upper related" request of a given request A is the
first request newer than A so that all requests before the "upper related"
request can be removed without any remaining request in the log still
refering to a removed one.
</p>
<p>
Note that the sets of related requests within a request log are
disjoint.
</p>
<p>
</p>
<div class="note" title="Note" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Note</h3>
<p>
This function only works if request is the oldest request of a
set of related requests. This could be changed in later versions.
</p>
</div>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>log</code></em> :</span></p></td>
<td>A <a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a>.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>n</code></em> :</span></p></td>
<td>Index of the first request in a set of related requests.
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td> The newest request in <em class="parameter"><code>log</code></em> being related to <em class="parameter"><code>request</code></em>.
</td>
</tr>
</tbody>
</table></div>
</div>
</div>
<div class="refsect1" title="Property Details">
<a name="InfAdoptedRequestLog.property-details"></a><h2>Property Details</h2>
<div class="refsect2" title='The "begin" property'>
<a name="InfAdoptedRequestLog--begin"></a><h3>The <code class="literal">"begin"</code> property</h3>
<pre class="programlisting">  "begin"                    <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a>                 : Read / Write / Construct Only</pre>
<p>The first index contained in the log.</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2" title='The "end" property'>
<a name="InfAdoptedRequestLog--end"></a><h3>The <code class="literal">"end"</code> property</h3>
<pre class="programlisting">  "end"                      <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a>                 : Read</pre>
<p>The index of the next request that is inserted into the log.</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2" title='The "next-redo" property'>
<a name="InfAdoptedRequestLog--next-redo"></a><h3>The <code class="literal">"next-redo"</code> property</h3>
<pre class="programlisting">  "next-redo"                <a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a>*    : Read</pre>
<p>The request that is redone when the user issues a redo request new.</p>
</div>
<hr>
<div class="refsect2" title='The "next-undo" property'>
<a name="InfAdoptedRequestLog--next-undo"></a><h3>The <code class="literal">"next-undo"</code> property</h3>
<pre class="programlisting">  "next-undo"                <a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a>*    : Read</pre>
<p>The request that is undone when the user issues an undo request now.</p>
</div>
<hr>
<div class="refsect2" title='The "user-id" property'>
<a name="InfAdoptedRequestLog--user-id"></a><h3>The <code class="literal">"user-id"</code> property</h3>
<pre class="programlisting">  "user-id"                  <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a>                 : Read / Write / Construct Only</pre>
<p>The ID of the user whose requests the log contains.</p>
<p>Default value: 0</p>
</div>
</div>
<div class="refsect1" title="Signal Details">
<a name="InfAdoptedRequestLog.signal-details"></a><h2>Signal Details</h2>
<div class="refsect2" title='The "add-request" signal'>
<a name="InfAdoptedRequestLog-add-request"></a><h3>The <code class="literal">"add-request"</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                user_function                      (<a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a> *request_log,
                                                        <a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a>    *request,
                                                        <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a>              user_data)        : Run Last</pre>
<p>
This signal is emitted whenever a new request is added to the request log
via <a class="link" href="InfAdoptedRequestLog.html#inf-adopted-request-log-add-request" title="inf_adopted_request_log_add_request ()"><code class="function">inf_adopted_request_log_add_request()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>request_log</code></em> :</span></p></td>
<td>The <a class="link" href="InfAdoptedRequestLog.html" title="InfAdoptedRequestLog"><span class="type">InfAdoptedRequestLog</span></a> to which a new request is added.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>request</code></em> :</span></p></td>
<td>The new request being added.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data set when the signal handler was connected.</td>
</tr>
</tbody>
</table></div>
</div>
</div>
<div class="refsect1" title="See Also">
<a name="InfAdoptedRequestLog.see-also"></a><h2>See Also</h2>
<a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a>, <a class="link" href="InfAdoptedAlgorithm.html" title="InfAdoptedAlgorithm"><span class="type">InfAdoptedAlgorithm</span></a>
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